United States Dialing Code (+1)
The country calling code for United States is +1. Type a local number below to get its international form, and see how to dial United States from anywhere.
Type a local United States phone number to see its international form.
Note NANP: +1 is shared by the US, Canada and much of the Caribbean. The area code identifies the region. Dial 1 before the 10-digit number for long distance.
How to dial United States
The + in +1 stands for your local exit code (011 in the US and Canada, 00 across most of Europe, 011 in United States itself). Any GSM mobile lets you dial the + directly.
United States dialing reference
| Country calling code | +1 |
| ISO country code | US |
| Region | North America |
| Trunk prefix | 1 |
| Exit / IDD code (from United States) | 011 |
| Example number | (555) 123-4567 |
| International format | +1 5551234567 |
Calling United States step by step
- 01 Start with your exit code — 011 in the US and Canada, 00 in the UK and Europe, or + on any mobile.
- 02 Dial the United States country code 1.
- 03 Add the local number without its leading 1 trunk prefix — e.g. 5551234567.
Frequently asked questions
What is the country code for United States?
The country calling code for United States is +1 (ISO code US). You dial it after your own country's exit code — or type + on a mobile — before the local number.
How do I call United States from the US?
From the United States, dial 011 (the US exit code), then 1 (the United States country code), then the local number without its trunk prefix. For example: 011 1 5551234567.
How do I call United States from the UK or Europe?
From the UK and most of Europe, dial 00 (the exit code), then 1, then the local number. For example: 00 1 5551234567. On any mobile you can dial +1 5551234567 instead.
What is the format of a United States phone number?
A typical United States number looks like (555) 123-4567. NANP: +1 is shared by the US, Canada and much of the Caribbean. The area code identifies the region. Dial 1 before the 10-digit number for long distance.